Home / 67,739.72-93,484.07-40,881.74

Finding the Fourth Proportional to 67,739.72, 93,484.07 and 40,881.74

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Solution

The fourth proportional to 67,739.72, 93,484.07 and 40,881.74 is: 56,418.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,739.72 : 93,484.07 = 40,881.74 : x
  2. Step 2: Convert to fraction form
    67,739.72/93,484.07 = 40,881.74/x
  3. Step 3: Cross multiply
    67,739.72x = 93,484.07 × 40,881.74
  4. Step 4: Simplify right side
    67,739.72x = 3,821,790,772.05
  5. Step 5: Solve for x
    x = 3,821,790,772.05/67,739.72
  6. Step 6: Final answer
    x = 56,418.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.